# CaptaLog vs 3 Seconds Memo

The clearest difference is in-app purchases: CaptaLog at none against 3 Seconds Memo's 2. CaptaLog also leads on ads (none vs shown). 3 Seconds Memo's advantage is iOS requirement (16.4 vs 26.2). On price, update cadence and device support there is nothing between them.

Both are free to download. 3 Seconds Memo sells 2 in-app purchases, starting at $2.99 per month. CaptaLog asks for nothing beyond the download.

CaptaLog ships an update every 2 weeks, 3 Seconds Memo weekly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CaptaLog | 3 Seconds Memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 72 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARIMASA MORIYA](https://appshunter.io/developer/1864837598) | [Aiju Kawase](https://appshunter.io/developer/6773546342) |

## What reviewers say

### CaptaLog

[App page](https://appshunter.io/ios/app/captalog-thought-log-and-notes/id6757141893)

**In-app purchases:** none


### 3 Seconds Memo

[App page](https://appshunter.io/ios/app/3-seconds-memo-simple-notes/id6773546340)

This app allows for rapid note-taking and idea capture, opening directly to a creation screen. It offers offline functionality, local data storage, and organizational tools like categories and tags. Premium features include ad-free usage, data export, and custom categories.

**Highlights:** Immediate memo creation on launch, Offline functionality, Local-only data storage, Organize with categories and tags, Attach photos to memos, Lock Screen widget for quick access, Export to Markdown and CSV (Premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Montly Plan | $2.99 | per month |
| Annual Plan | $29.99 | per year |


## Frequently asked questions

### Is CaptaLog free?

CaptaLog is free to download, with no in-app purchases.

### Is 3 Seconds Memo free?

3 Seconds Memo is free to download, with in-app purchases available.

### Do CaptaLog or 3 Seconds Memo have ads?

3 Seconds Memo shows ads; CaptaLog does not.

### Which is updated more often, CaptaLog or 3 Seconds Memo?

CaptaLog ships an update every 2 weeks, and 3 Seconds Memo weekly. Most recently, CaptaLog was updated on October 8, 2026 and 3 Seconds Memo on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*